25648425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 51493728

約数和(自身を除く): 25845303

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 241, 275, 387, 473, 495, 645, 723, 825, 1075, 1205, 1419, 1935, 2169, 2365, 2475, 2651, 3225, 3615, 4257, 6025, 7095, 7953, 9675, 10363, 10845, 11825, 13255, 18075, 21285, 23859, 31089, 35475, 39765, 51815, 54225, 66275, 93267, 106425, 113993, 119295, 155445, 198825, 259075, 341979, 466335, 569965, 596475, 777225, 1025937, 1709895, 2331675, 2849825, 5129685, 8549475, 25648425]

約数ペア:

[(1, 25648425), (3, 8549475), (5, 5129685), (9, 2849825), (11, 2331675), (15, 1709895), (25, 1025937), (33, 777225), (43, 596475), (45, 569965), (55, 466335), (75, 341979), (99, 259075), (129, 198825), (165, 155445), (215, 119295), (225, 113993), (241, 106425), (275, 93267), (387, 66275), (473, 54225), (495, 51815), (645, 39765), (723, 35475), (825, 31089), (1075, 23859), (1205, 21285), (1419, 18075), (1935, 13255), (2169, 11825), (2365, 10845), (2475, 10363), (2651, 9675), (3225, 7953), (3615, 7095), (4257, 6025)]